Rename assets URL from Khoj S3 bucket to assets.khoj.dev

Server khoj assets from khoj domain

documentation/docs/clients/web.md

@@ -25,7 +25,7 @@ You can upload documents to Khoj from the web interface, one at a time. This is
 1. You can drag and drop the document into the chat window.
 2. Or click the paperclip icon in the chat window and select the document from your file system.
 
-![demo of dragging and dropping a file](https://khoj-web-bucket.s3.amazonaws.com/drag_drop_file.gif)
+![demo of dragging and dropping a file](https://assets.khoj.dev/drag_drop_file.gif)
 
 ### Install on Phone
 You can optionally install Khoj as a [Progressive Web App (PWA)](https://web.dev/learn/pwa/installation). This makes it quick and easy to access Khoj on your phone.

documentation/docs/data-sources/share_your_data.md

@@ -13,4 +13,4 @@ There are several ways you can get started with sharing your data with the Khoj
 - Setup the sync options for either [Obsidian](/clients/obsidian) or [Emacs](/clients/emacs) to automatically sync your documents with Khoj. This is best if you are already using these tools and want to leverage Khoj's AI capabilities.
 - Configure your [Notion](/data-sources/notion_integration) or [Github](/data-sources/github_integration) to sync with Khoj. By providing your credentials, you can keep the data synced in the background.
 
-![demo of dragging and dropping a file](https://khoj-web-bucket.s3.amazonaws.com/drag_drop_file.gif)
+![demo of dragging and dropping a file](https://assets.khoj.dev/drag_drop_file.gif)

documentation/docusaurus.config.js

@@ -80,7 +80,7 @@ const config = {
         {name: 'og:type', content: 'website'},
         {name: 'og:site_name', content: 'Khoj Documentation'},
         {name: 'og:description', content: 'Quickly get started with using or self-hosting Khoj'},
-        {name: 'og:image', content: 'https://khoj-web-bucket.s3.amazonaws.com/link_preview_docs.png'},
+        {name: 'og:image', content: 'https://assets.khoj.dev/link_preview_docs.png'},
         {name: 'og:url', content: 'https://docs.khoj.dev'},
         {name: 'keywords', content: 'khoj, khoj ai, chatgpt, open ai, open source, productivity'}
       ],